Subcontractor Change Orders: Getting Paid by the GC

Every sub knows this one. The GC's super walks the floor, points at something the drawings never showed, and says "just handle it, we'll square up later." You handle it. Three weeks later your pay application comes back short, and "later" turns out to mean never. A subcontractor change order is the only reliable bridge between doing extra work and getting paid for it - and as a sub, the rules you have to play by are stricter than the ones the GC plays by with the owner.

This guide covers how subcontractor change orders actually work: what your subcontract says about them (whether you read it or not), the step-by-step process that gets them approved, and how to protect yourself when the GC wants the work done today and the paperwork done never.

Why subcontractor change orders go unpaid

When a sub eats the cost of extra work, it's almost never because the work wasn't real. It's one of these:

• No written direction. The super said do it, but nothing was signed. Now it's your word against theirs, and your subcontract probably says verbal directions don't count.
• Missed notice deadlines. Most subcontracts require written notice of a claim within a set window - often 5 to 10 days of discovering the change. Do the work first and ask later, and you may have waived the claim entirely.
• The GC never got paid by the owner. If the GC didn't push your change up to the owner as part of their own change order, there's no money flowing down to you - and many subcontracts make your payment contingent on theirs.
• Weak backup. A one-line invoice for "extra work - $4,800" is easy to dispute. An itemized breakdown with labor hours, material tickets, and photos is not.

Every one of these is preventable, and none of the prevention is complicated. It's discipline, not paperwork skill.

Know your subcontract before you price anything

Your subcontract is not the same as the GC's contract with the owner, but it's usually chained to it. Before the next change hits, find and read these clauses:

The changes clause

This says who can direct a change (usually the GC's project manager, not the super), whether directions must be in writing, and how quickly you must submit pricing. If it says only written directions are compensable, treat every verbal "just handle it" as a request for a quote - not a green light.

Flow-down provisions

Most subcontracts flow down the terms of the prime contract. That means the owner's notice deadlines and documentation requirements can bind you even though you never signed the prime contract. If the prime requires 7-day notice of changed conditions, assume you're on the same clock.

Pay-if-paid and pay-when-paid

These clauses tie your payment to the owner paying the GC. Enforceability varies by state, but the practical lesson is the same everywhere: your change order has a much better chance if you get it to the GC fast enough for them to include it in their own change order to the owner. Be the sub whose pricing is ready the same day, and you ride along with the GC's request instead of chasing money the GC never collected.

No-damages-for-delay and markup caps

Some subcontracts cap change order markup (10-15% is common) or bar delay damages. Know the cap before you price, so your quote doesn't get kicked back for a number the contract already forbids.

The subcontractor change order process, step by step

Here's the sequence that works, whether it's a $600 patch or a $60,000 scope add:

1. Spot it and stop (when you can). The moment work deviates from your scope, flag it. If it's safe to pause that portion, pause it. Working ahead of approval is how subs finance GCs for free.
2. Give written notice immediately. Same day. A short email to the GC's PM does it: what changed, where, and that you consider it extra to your subcontract. This single habit preserves more claims than anything else on this list.
3. Price it fast and itemized. Labor hours by trade and rate, materials with quantities, equipment, subcontracted work, then your markup. Our guide on how to price a change order walks through the math.
4. Send a formal change order, not just an email thread. A numbered document with a scope description, price, schedule impact, and a signature line. You can build one in about two minutes with our free change order tool and send it for e-signature the same day.
5. Get the signature before the work (or as close as possible). If the GC needs the work to keep moving before the owner approves, get at least a signed direction to proceed acknowledging the work is extra, with pricing to follow.
6. Log it and track it. Every CO gets a number, a status, and a running total against your subcontract value. When the pay app goes in, approved change orders go on it - by number.

A real example: the moved mechanical wall

A drywall sub on a medical office build gets told the mechanical room wall is moving two feet to clear a duct run the coordination drawings missed. The super wants it framed tomorrow.

The sub sends notice that afternoon: "Wall relocation at grid C4 is outside our contracted scope per sheet A-401. We'll price it tonight." The quote goes out at 9pm: 26 labor hours at $68 loaded, $740 in track, stud, and board, 15% markup - $2,878, one day added to the interior framing schedule. The GC signs the change order electronically at 7am, because their own deadline to bundle sub pricing into the owner's change order is Friday.

The sub frames the wall on schedule, the CO shows up as a line item on the next pay application, and nobody argues about it in month eleven. Total admin time: about forty minutes. Compare that to the version where the sub "handles it" and spends three months negotiating from a position of zero leverage after the work is buried behind finished board.

When the GC won't sign: protecting yourself anyway

Sometimes the GC stalls - the owner hasn't approved their number yet, or they're hoping you'll just absorb it. You still have moves:

Paper the direction

If you're directed to proceed without a signed CO, confirm it in writing the same day: "Per Mike's direction this morning, we're proceeding with the added blocking at level 2. We consider this extra work and will submit pricing by Thursday." Silence from the GC after an email like that is far better for you than silence after a handshake. We covered why in our post on verbal change orders.

Run T&M tickets daily

For work proceeding without an agreed price, have the super sign a daily time-and-materials ticket - hours, workers, materials, equipment. A signed ticket only confirms the work happened, but that's half the fight won. Our T&M change order guide covers how to run these properly.

Photograph everything

Before, during, after. Extra work has a habit of disappearing behind drywall, backfill, and ceiling grid. Photos with timestamps are the cheapest insurance you'll ever carry.

Keep working the pay app

Submit pending change orders with your pay application as separate line items, clearly marked. Even unapproved, it keeps the amounts visible and on the record every single month.

Make the paper trail effortless

None of this works if creating the document is a 45-minute Word-template wrestling match at 9pm. That's the real reason subs skip the paperwork - not laziness, friction. Remove the friction and the discipline gets easy.

That's exactly what we built ChangeOrdersPro for: create a numbered, itemized change order on your phone in a couple of minutes, send it to the GC for one-click electronic approval, and keep a running log of every CO's status and value per project. It's completely free - no trial, no card, no catch. If you'd rather start on paper, grab our free Excel change order template and upgrade when the spreadsheet stops scaling.

More guides on pricing, disputes, and trade-specific change orders are on the ChangeOrdersPro blog.

Frequently asked questions

Can a GC make me do extra work without a change order?

They can direct the work, but whether you must perform before pricing is agreed depends on your subcontract - many changes clauses require you to proceed with directed changes and resolve pricing after. What protects you is written notice and documentation: confirm the direction in writing, track time and materials daily, and submit your pricing fast. Never rely on a verbal promise to "square up later."

What if the GC approves a lower amount than I quoted?

Don't just accept the shorted number by silence. Respond in writing, restate your backup (hours, material invoices, tickets), and ask what specifically they dispute. If you agree to a compromise, issue a revised change order at the agreed figure so the record is clean. If you can't agree, preserve the claim per your subcontract's dispute provisions rather than letting it die in an email thread.

Does a text message from the super count as approval?

It's evidence of direction, which is far better than nothing - screenshot it and save it. But most subcontracts require change orders to be signed by an authorized representative, and the super often isn't one. Convert the text into a formal change order with a signature line the same day, so approval comes from someone with authority to bind the GC.

Should I stop work while waiting on a signed change order?

Check your subcontract first - stopping directed work can put you in breach if the changes clause requires you to proceed. If the extra work can be safely sequenced later, hold it until you have a signature. If it can't, proceed under a written confirmation that you consider it extra work, run daily T&M tickets, and press for the signed change order in parallel.

Daisy Porter

Co-Founder, ChangeOrdersPro

Daisy writes about the unglamorous side of running a build — the paperwork, the change orders, and the conversations that keep a job profitable. ChangeOrdersPro is the free tool her team built so contractors can send a professional change order and get it signed from a phone in about 30 seconds.